CH3CHCH--CHCCH3 CH 5-甲基-3-己烯-2-酮 环己酮 CH 3-甲基环己酮 1,3-环戊二酮 1,4-环己二酮
O 3-甲基环己酮 O O 1,3-环戊二酮 环己酮 1,4-环己二酮 O CH3 O O CH3 CHCH CHCCH3 CH3 O 5-甲基-3-己烯-2-酮
OHCC≡CCHO 丁炔二醛 butynediol CH3CH2COCH2CHO3-氧代戊醛3-0 pentanal CH2 COCH2 CH3 1-环己基2一丁酮 1-cyclohexyl-2-butanone CHO 2一氧代环己烷甲醛 2-oxocyclohexanecarboxaldehyde H3O H3C CH2CH2CHO3-(3,3-二甲基环己基)丙醛 3-(3, 3-dimethylcyclohexyl)prpanal
CH3 CH2 COCH2 CHO CH2COCH2CH3 O CHO CH2 CH2 CHO H3 C H3 C OHCC CCHO 丁炔二醛 butynedial 3－氧代戊醛 3-oxopentanal 1-环己基2－丁酮 1-cyclohexyl-2-butanone 2－氧代环己烷甲醛 2-oxocyclohexanecarboxaldehyde 3-(3,3-二甲基环己基）丙醛 3-(3,3-dimethylcyclohexyl)prpanal
醛酮的结构 bond g bond H 120° H H H H C orbital 2p orbital p orbital p orbital aT bond (R)H C=0 R 120° O Lone electron R R pairs o bond(overlap of two sp" hybrids)
二、醛酮的结构 C C C O R (R') H
羰基的结构和反应的基本特征 P轨道 P轨道 T R 120° O R 孤对电子 120 O键
羰基的结构和反应的基本特征
1124pm H,121° 114° H2CN125° 120.4pm 150.0pm